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Ranks providers by estimated cost using a 1,000-input/500-output token ratio, shown per 1 million total tokens.
OpenAI currently ranks first at $0.833333 / 1M tokens via openai.
| Rank | Provider / route | Estimated cost / 1M tokens | Speed measurements | Endpoint details |
|---|---|---|---|---|
| #1 | Provider / route OpenAI openai | Estimated cost / 1M tokens$0.833333 / 1M tokens | Speed measurements
| Endpoint details
|
Endpoint data fetched .
GPT-3.5 Turbo endpoint guide
1 of 1 GPT-3.5 Turbo endpoint currently have the published data required for this ranking. OpenAI leads at $0.833333 / 1M tokens via openai. The table keeps unranked routes visible so missing measurements do not look like missing provider availability.
The cheapest ranking uses a 1,000-input/500-output-token ratio and reports the blended result per 1 million total tokens. Because providers can price input and output differently, a workload with a different token ratio may produce a different order.
Only 1 route currently qualifies, so the rank alone provides limited choice. Review every visible endpoint for price, speed, uptime, context length, and route-specific configuration.
GPT-3.5 Turbo has 1 published provider option, and performance data is matched to each exact OpenRouter routing tag. Different quantization, context, regional deployment, or provider configuration can change price and behavior even when the underlying model name is identical.
